diff --git a/scripts/_common.sh b/scripts/_common.sh
index ef0c347..5023f2d 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -15,7 +15,37 @@ pkg_dependencies=""
 # PERSONAL HELPERS
 #=================================================
 
+# Substitute/replace a string (or expression) by another in a file on a
+#
+# usage: ynh_replace_string_occurrence --occurrence=occurrence --match_string=match_string --replace_string=replace_string --target_file=target_file
+# | arg: -o, --occurrence=      - Replace the nth occurrence in the file
+# | arg: -m, --match_string=    - String to be searched and replaced in the file
+# | arg: -r, --replace_string=  - String that will replace matches
+# | arg: -f, --target_file=     - File in which the string will be replaced.
+#
+# As this helper is based on sed command, regular expressions and references to
+# sub-expressions can be used (see sed manual page for more information)
+#
+ynh_replace_string_occurrence() {
+    # Declare an array to define the options of this helper.
+    local legacy_args=omrf
+    local -A args_array=([o]=occurrence [m]=match_string= [r]=replace_string= [f]=target_file=)
+    local occurrence
+    local match_string
+    local replace_string
+    local target_file
+    # Manage arguments with getopts
+    ynh_handle_getopts_args "$@"
+    set +o xtrace # set +x
 
+    local delimit=@
+    # Escape the delimiter if it's in the string.
+    match_string=${match_string//${delimit}/"\\${delimit}"}
+    replace_string=${replace_string//${delimit}/"\\${delimit}"}
+
+    set -o xtrace # set -x
+    sed --in-place "s${delimit}${match_string}${delimit}${replace_string}${delimit}${occurrence}" "$target_file"
+}
 
 #================================================
 # EXPERIMENTAL HELPERS
diff --git a/scripts/change_url b/scripts/change_url
index 422835d..7dd9ab8 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -36,6 +36,8 @@ port_files=$(ynh_app_setting_get --app=$app --key=port_files)
 port_syncing_server=$(ynh_app_setting_get --app=$app --key=port_syncing_server)
 port_syncing_server_worker=$(ynh_app_setting_get --app=$app --key=port_syncing_server_worker)
 
+config_api_gateway="$final_path/live/api-gateway.env"
+
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
 #=================================================
@@ -104,6 +106,13 @@ fi
 #=================================================
 # SPECIFIC MODIFICATIONS
 #=================================================
+# MODIFY CONFIG
+#=================================================
+ynh_script_progression --message="Modify configuring..." --weight=1
+
+ynh_replace_string --match_string="^FILES_SERVER_URL.*$" --replace_string="FILES_SERVER_URL=https://$new_domain$new_path/files" --target_file="$config_api_gateway"
+ynh_store_file_checksum --file="$config_api_gateway"
+
 #=================================================
 # SETUP FAIL2BAN
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index 38c82de..969a31c 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -153,6 +153,12 @@ ynh_remove_fail2ban_config
 #=================================================
 # SPECIFIC REMOVE
 #=================================================
+# REMOVE CRON CONFIGURATION
+#=================================================
+ynh_script_progression --message="Removing cron configuration..."  --weight=1
+
+ynh_secure_remove --file="/etc/cron.d/$app"
+
 #=================================================
 # REMOVE SWAP
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 67ec45f..4522096 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -47,6 +47,7 @@ config_auth_worker="$final_path/live/auth-worker.env"
 config_files="$final_path/live/files.env"
 config_syncing_server="$final_path/live/syncing-server.env"
 config_syncing_server_worker="$final_path/live/syncing-server-worker.env"
+config_nginx="/etc/nginx/conf.d/$domain.d/$app.conf"
 
 #=================================================
 # CHECK IF THE APP CAN BE RESTORED
@@ -165,22 +166,24 @@ ynh_replace_string --match_string="^REDIS_URL.*$" --replace_string="REDIS_URL=re
 ynh_replace_string --match_string="^REDIS_URL.*$" --replace_string="REDIS_URL=redis://localhost:6379/$redis_db" --target_file="$config_syncing_server_worker"
 # Syncing_Server Port
 ynh_replace_string --match_string="^PORT.*$" --replace_string="PORT=$port_syncing_server" --target_file="$config_syncing_server"
-ynh_replace_string --match_string="^SYNCING_SERVER_URL.*$" --replace_string="SYNCING_SERVER_URL=$port_syncing_server" --target_file="$config_api_gateway"
-ynh_replace_string --match_string="^SYNCING_SERVER_URL.*$" --replace_string="SYNCING_SERVER_URL=$port_syncing_server" --target_file="$config_auth"
-ynh_replace_string --match_string="^SYNCING_SERVER_URL.*$" --replace_string="SYNCING_SERVER_URL=$port_syncing_server" --target_file="$config_auth_worker"
+ynh_replace_string --match_string="^SYNCING_SERVER_JS_URL.*$" --replace_string="SYNCING_SERVER_JS_URL=http://localhost:$port_syncing_server" --target_file="$config_api_gateway"
+ynh_replace_string --match_string="^SYNCING_SERVER_URL.*$" --replace_string="SYNCING_SERVER_URL=http://localhost:$port_syncing_server" --target_file="$config_auth"
+ynh_replace_string --match_string="^SYNCING_SERVER_URL.*$" --replace_string="SYNCING_SERVER_URL=http://localhost:$port_syncing_server" --target_file="$config_auth_worker"
 # Syncing_Server_Worker Port
 ynh_replace_string --match_string="^PORT.*$" --replace_string="PORT=$port_syncing_server_worker" --target_file="$config_syncing_server_worker"
 # Auth Port
 ynh_replace_string --match_string="^PORT.*$" --replace_string="PORT=$port_auth" --target_file="$config_auth"
-ynh_replace_string --match_string="^AUTH_SERVER_URL.*$" --replace_string="AUTH_SERVER_URL=$port_auth" --target_file="$config_api_gateway"
-ynh_replace_string --match_string="^AUTH_SERVER_URL.*$" --replace_string="AUTH_SERVER_URL=$port_auth" --target_file="$config_syncing_server"
-ynh_replace_string --match_string="^AUTH_SERVER_URL.*$" --replace_string="AUTH_SERVER_URL=$port_auth" --target_file="$config_syncing_server_worker"
+ynh_replace_string --match_string="^AUTH_SERVER_URL.*$" --replace_string="AUTH_SERVER_URL=http://localhost:$port_auth" --target_file="$config_api_gateway"
+ynh_replace_string --match_string="^AUTH_SERVER_URL.*$" --replace_string="AUTH_SERVER_URL=http://localhost:$port_auth" --target_file="$config_syncing_server"
+ynh_replace_string --match_string="^AUTH_SERVER_URL.*$" --replace_string="AUTH_SERVER_URL=http://localhost:$port_auth" --target_file="$config_syncing_server_worker"
 # Auth_Worker Port
 ynh_replace_string --match_string="^PORT.*$" --replace_string="PORT=$port_auth_worker" --target_file="$config_auth_worker"
 # API-Gateway Port
 ynh_replace_string --match_string="^PORT.*$" --replace_string="PORT=$port_api_gateway" --target_file="$config_api_gateway"
+ynh_replace_string_occurrence --occurrence="1" --match_string="^proxy_pass.*$" --replace_string="proxy_pass http://127.0.0.1:$port_api_gateway/;" --target_file="$config_nginx"
 # Files Port
 ynh_replace_string --match_string="^PORT.*$" --replace_string="PORT=$port_files" --target_file="$config_files"
+ynh_replace_string_occurrence --occurrence="2" --match_string="^proxy_pass.*$" --replace_string="proxy_pass http://127.0.0.1:$port_files/;" --target_file="$config_nginx"
 
 #=================================================
 # RESTORE SYSTEMD